Version of manually-generated dot map displayed above, showing U.S. and Canadian records, was harvested from SINA on Aug-05-2018.Dots show county records; shaded area shows likely general distribution.
See also this computer-generated U.S. distribution map, produced in 2004 from records in a
database available on the Singing Insects of North America site.The four records east of the shaded area are of single collections and are not known to represent continuing populations.
